GXX_PATH="g++"
CPP_ARG="-fPIC -DONLINE_JUDGE -Wall -fno-asm -lm -static"
CPP_O2="-O2"
CPP_O0="-O0"
CPP_CPP14="-std=c++14"
CPP_CPP17="-std=c++17"
CPP_CPP20="-std=c++20"
CPP_CPP11="-std=c++11"
CPP_CPP98="-std=c++98"
CPP_STD={
    'c++11':CPP_CPP11,
    'c++14':CPP_CPP14,
    'c++17':CPP_CPP17,
    'c++20':CPP_CPP20
}